RockSat-C 2012

LRR

Launch Readiness Review

Harding UniversityDrew Cancienne, Josh Griffith, David

Stair, Will Waldron and Ed Wilson5-22-2012

RockSat-C 2012

LRR

Fiber Optic Cable Integration

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RockSat-C 2012

LRR

Final Payload

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All parts of payload shown except possible conditioning circuit.

RockSat-C 2012

LRR

Team Photo with Payload

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RockSat-C 2012

LRR

Completed CG Apparatus

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RockSat-C 2012

LRR

User Guide Compliance

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Requirement Payload Requirement StatusMass allotment: 6 lbs .4 Over

Volume allotment: Top 4.5” Passes

The payload’s center of gravity (CG):

In 1”X1”X1” envelope of centroid (or in area designated

for sharing teams?

Developing Method to

Test

Activation met under requirement: (either 1.SYS.1 or 1.SYS.2)

1.SYS.2 Tested - Passed

Structure mounts: Top and bottom bulkheads. No mounts to sides of cans.

Passed

Sharing: Fully developed? No Response from NW Nazarene

RockSat-C 2012

LRR

Integration Plan and Procedure

• Integration Update– Payload all but Fully Integrated

• All but a few components integrated• Must have self starting microcontroller• May want to amplify CCD and photodiode

signals– Very close to complete and final

integration

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RockSat-C 2012

LRR

Integration Plan and Procedure

• Procedure Written?– Procedure Written in PowerPoint with

pictures for each step– Example on next slide

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Wire CCD Array to Micro Controller.

White – GroundGreen – VOUTBlack – PowerRed – ROGBlue - CLK

RockSat-C 2012

LRR

Integration Plan and Procedure

• Concerns– Broke new shorter fiber optic cable

• Fix: Use last year’s longer fiber optic cable• Note: Fixed

– No response from Northwestern Nazarene College about integration

RockSat-C 2012

LRR

Testing Results

• Activation– G-Switch Circuit – Tested: Passed– Microcontroller – Just about

• Must load TERN onto a 32-bit computer to load startup program onto microcontroller

• Testing Updates– Spectrum taken with payload on next

slide– Full Mission Test Tuesday or Wednesday

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RockSat-C 2012

LRR

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Oxygen

Water

Water

RockSat-C 2012

LRR

Testing Results

• Mission Requirements Met1. An optical port is mandatory2. An adequate, stable and reliable power

supply3. A robust, responsive G-Switch4. A sensitive, rugged spectrometer

operating in the 200 – 1000 nm wavelength range

5. A photodiode sensitive to the same wavelengths as the spectrometer

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RockSat-C 2012

LRR

Testing Results

• Mission Requirements Met (cont.)6. A microprocessor with two

programmable clocks, high speed analog to digital converters, and memory to store the acquired spectra

7. Software program to operate the payload

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RockSat-C 2012

LRR

Testing Results

• Mission Requirements Met (cont.)8. Mounting hardware for the payload

that will withstand the g-forces imposed during testing and flight and will not interfere with the NW Nazarene payload

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RockSat-C 2012

LRR

Testing Results

• Mission Requirements not met1. Signal conditioning board to insure the

electrical inputs and outputs between the sensors and the microprocessor match in terms of voltage ranges, currents and impedances

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RockSat-C 2012

LRR

Level of Readiness

• Are you ready? We could fly today• What is ready?

– Software to fly– Hardware

• What is not ready?– Conditioning Circuit

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RockSat-C 2012

LRR

Level of Readiness

• Action items between now and June 15th?– Finish conditioning circuit– Full Missions Simulation completed this

week– Make the existing software better– Test Possibility of Neutral Density Filter

• Filter that blocks out wavelengths equally

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RockSat-C 2012

LRR

Check-In Inspections

• Are there any remaining questions about check-in?

• Have you tried it yet? – Check Procedure run? No

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RockSat-C 2012

LRR

Final Questions

• Do you have any questions about how this week will go?– Any environmental test day questions?

No– Any integration day questions? No– Any launch day questions? No– Food questions? No– Have you received your final payment

check?

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